A free app for Android, by LADYBUG?.
FOTO Gallery is a powerful photo gallery, photo manager and video manager app, which is designed to make your life easier. With this app, you can create, manage and sort your photos and videos in a fast and easy way, and also have the ability to add tags, create albums and set cover photos.
You can organize your photos and videos into different folders and subfolders, and you can drag and drop pictures between different folders. FOTO Gallery supports multiple sorting options, such as creation time or added time, name, and custom. You can set a favorite pic as the folder cover.
You can also hide private folders, and set a password to access your private folders.
This app supports multiple types of sorting, and it also supports multiple types of drag and drop.